GM At The 2011 Auto Show

DETROIT- JANUARY 10: The all-new 2012 Buick Verano compact luxury sedan is introduced to the media at the 2011 North American International Auto Show January 10, 2011 in Detroit, Michigan. Approximately 4500 journalists from over 60 countries are attending the NAIAS, which features more than 30 worldwide debuts of vehicles by automotive manufacturers from around the world. (Photo by Bill Pugliano/Getty Images)

Detroit Auto Show Previews Newest Car Models From Around The World

DETROIT- JANUARY 10: The all-new 2012 Buick Verano compact luxury sedan is introduced to the media at the 2011 North American International Auto Show January 10, 2011 in Detroit, Michigan. Approximately 4500 journalists from over 60 countries are attending the NAIAS, which features more than 30 worldwide debuts of vehicles by automotive manufacturers from around the world. (Photo by Bill Pugliano/Getty Images)

Detroit Auto Show Previews Newest Car Models From Around The World

DETROIT- JANUARY 10: The all-new 2012 Buick Verano compact luxury sedan is introduced to the media at the 2011 North American International Auto Show January 10, 2011 in Detroit, Michigan. Approximately 4500 journalists from over 60 countries are attending the NAIAS, which features more than 30 worldwide debuts of vehicles by automotive manufacturers from around the world. (Photo by Bill Pugliano/Getty Images)

Detroit Auto Show Previews Newest Car Models From Around The World

DETROIT- JANUARY 10: John Schwegman, Buick U.S. Marketing Vice President, introduces the all-new 2012 Buick Verano compact luxury sedan is introduced to the media at the 2011 North American International Auto Show January 10, 2011 in Detroit, Michigan. Approximately 4500 journalists from over 60 countries are attending the NAIAS, which features more than 30 worldwide debuts of vehicles by automotive manufacturers from around the world. (Photo by Bill Pugliano/Getty Images)

Detroit Auto Show Previews Newest Car Models From Around The World

DETROIT, MI - JANUARY 10: In this handout image provided by Chevrolet, General Motors Vice Chairman Tom Stephens holds the 2011 North American Car of the Year trophy for the Chevrolet Volt at the awards ceremony during the press preview of the North American International Auto Show on January 10, 2011 in Detroit, Michigan. The show opened for media previews on January 10 and is open to the general public January 15-23. (Photo by Jeffrey Sauger/Chevrolet via Getty Images)

2011 NAIAS - Chevrolet Cruze Eco

Steve Wiseman/CBS Radio

2011 NAIAS - Chevrolet Cruze Eco

2011 NAIAS- Chevrolet Sonic LTZ

Steve Wiseman/CBS Radio

2011 NAIAS- Chevrolet Sonic LTZ

2011 NAIAS- Chevrolet Sonic LTZ

Steve Wiseman/CBS Radio

2011 NAIAS- Chevrolet Sonic LTZ

2011 NAIAS- Chevrolet Sonic LTZ

Steve Wiseman/CBS Radio

2011 NAIAS- Chevrolet Sonic LTZ

2011 NAIAS- Chevrolet Sonic LTZ

Steve Wiseman/CBS Radio

2011 NAIAS- Chevrolet Sonic LTZ

2011 NAIAS- Chevrolet Sonic LTZ

Steve Wiseman/CBS Radio

2011 NAIAS- Chevrolet Sonic LTZ

2011 NAIAS- Chevrolet Sonic LTZ

Steve Wiseman/CBS Radio

2011 NAIAS- Chevrolet Sonic LTZ

2011 NAIAS- Chevrolet Sonic LTZ

Steve Wiseman/CBS Radio

2011 NAIAS- Chevrolet Sonic LTZ

2011 NAIAS - Chevrolet Cruze Eco

Steve Wiseman/CBS Radio

2011 NAIAS - Chevrolet Cruze Eco

2011 NAIAS - Chevrolet Cruze Eco

Steve Wiseman/CBS Radio

2011 NAIAS - Chevrolet Cruze Eco

2011 NAIAS - Chevrolet Cruze Eco

Steve Wiseman/CBS Radio

2011 NAIAS - Chevrolet Cruze Eco

DSCN1150

(credit: Keith Whitten)

General Motors At NAIAS 2011

(credit: Keith Whitten)

General Motors At NAIAS 2011

(credit: Keith Whitten)

General Motors At NAIAS 2011

General Motors At NAIAS 2011

(credit: Keith Whitten)

General Motors At NAIAS 2011

(credit: Keith Whitten)

General Motors At NAIAS 2011

(credit: Keith Whitten)

General Motors At NAIAS 2011

(credit: Keith Whitten)

General Motors At NAIAS 2011

(credit: Keith Whitten)

General Motors At NAIAS 2011

(credit: Keith Whitten)

General Motors At NAIAS 2011

(credit: Keith Whitten)

General Motors At NAIAS 2011

(credit: Keith Whitten)

General Motors At NAIAS 2011

Camaro Time Splice (credit: Keith Whitten)

General Motors At NAIAS 2011

Chevrolet Volt (credit: Keith Whitten)

General Motors At NAIAS 2011

Chevrolet Volt (credit: Keith Whitten)

General Motors At NAIAS 2011

Chevrolet Volt (credit: Keith Whitten)

General Motors At NAIAS 2011

Chevrolet Volt was named North American Car Of The Year. (credit: Keith Whitten)

General Motors At NAIAS 2011

Chevrolet Volt was named North American Car Of The Year. (credit: Keith Whitten)